As a WPF developer, I often find myself trying to debug the visual structure of my applications or to find out why something doesn’t work as expected. The Visual Studio debugger can help up to a certain point, but for runtime visual debugging it lacks the necessary features. Luckily, there is an awesome free tool that you can use for this – Snoop. The tool itself is very straightforward – you select your running application press a button and you can see the whole visual tree:

The great thing is that you can look at bindings, change properties at runtime and instantly see the changes, monitor events and also put breakpoints on property changes.